class_docstr: Test class for VPG.
class_docstr_tok: ["Test","class","for","VPG","."]
docstr: Setup method which is called once before all tests in this class.
docstr_tok: ["Setup","method","which","is","called","once","before","all","tests","in","this","class","."]
code: def setup_class(cls):
      """Setup method which is called once before all tests in this class."""
      deterministic.set_seed(0)
  
file_path: garage/tests/garage/torch/algos/test_vpg.py
imports: import pytest
  import torch
  from garage.envs import GymEnv
  from garage.experiment import deterministic
  from garage.sampler import LocalSampler
  from garage.torch.algos import VPG
  from garage.torch.policies import GaussianMLPPolicy
  from garage.torch.value_functions import GaussianMLPValueFunction
  from garage.trainer import Trainer
  from tests.fixtures import snapshot_config
label_desc: Use image node_id 1 for calling the TestVPG obj's underlying member method code with example usage: obj.setup_class(cls) without return types